在需要添加适配器的页面添加一个ListView控件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".News1Fragment">
<!-- TODO: Update blank fragment layout -->
<ListView
android:id="@+id/list_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
对应的JAVA文件中添加数据
private int imgs[]= News1Data.imgs; private String title[]= News1Data.title; private String content[]= News1Data.content; private String assessTotal[]= News1Data.assessTotal; private String time []= News1Data.time;
数据类,这里加5条
public static int imgs[]={R.drawable.ic_launcher_foreground,R.drawable.ic_launcher_foreground,R.drawable.ic_launcher_foreground,R.drawable.ic_launcher_foreground,R.drawable.ic_launcher_foreground}; public static String title[]={"标题1","标题1","标题1","标题1","标题1"}; public static String content[]={"内容","内容","内容","内容","内容"}; public static String assessTotal[]={"500","500","500","500","500"}; public static String time []={"2023/3/25","2023/3/25","2023/3/25","2023/3/25","2023/3/25"};
添加视图,设置适配器
@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_news1, null); ListView listView = view.findViewById(R.id.list_view); mBaseAdapter adapter = new mBaseAdapter(); listView.setAdapter(adapter); return view;
适配器代码,继承BaseAdapter,实现方法
class mBaseAdapter extends BaseAdapter{ @Override public int getCount() { return title.length; } @Override public Object getItem(int position) { return title[position]; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = View.inflate(getContext(), R.layout.newslist, null); ImageView news_img= view.findViewById(R.id.news_img); TextView news_title= view.findViewById(R.id.news_title); TextView news_content= view.findViewById(R.id.news_content); TextView news_assessTotal= view.findViewById(R.id.news_assessTotal); TextView news_time= view.findViewById(R.id.news_time); news_img.setBackgroundResource(imgs[position]); news_title.setText(title[position]); news_content.setText(content[position]); news_assessTotal.setText("点赞数:"+assessTotal[position]); news_time.setText("时间:"+time[position]); return view; }